These structures represent C9H14O2. What is the structure and degrees of unsaturation? What important functional groups are shown in the spectra and which peaks correspond with which carbons and protons

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter24: Introduction To Spectrochemical Methods
Section: Chapter Questions
Problem 24.17QAP
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These structures represent C9H14O2. What is the structure and degrees of unsaturation? What important functional groups are shown in the spectra and which peaks correspond with which carbons and protons ?
% Transmittance
100-
7
0-
4000
220
(a)
(c)
doublet of doublet of
quintet, 1H
doublets, 1H doublets, 1H
(d)
(b)
doublet of
PA
doublets, 1H
(c)
200
3000
6
180
5
160
(a)
2000
Mem
1500
Wavenumber (cm-1)
140
4
(b)
PPM
120
multiplet, 4H
PPM
multiplet, 6H
(f)
(e)
3
100
80
2
1000
(d)
60
1
500
(e) (g)
40
(f)
20
0
0
Transcribed Image Text:% Transmittance 100- 7 0- 4000 220 (a) (c) doublet of doublet of quintet, 1H doublets, 1H doublets, 1H (d) (b) doublet of PA doublets, 1H (c) 200 3000 6 180 5 160 (a) 2000 Mem 1500 Wavenumber (cm-1) 140 4 (b) PPM 120 multiplet, 4H PPM multiplet, 6H (f) (e) 3 100 80 2 1000 (d) 60 1 500 (e) (g) 40 (f) 20 0 0
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